Actuator



FIG. 1 shows a perspective view of an actuator, showing my new design;

FIG. 2 shows a top plan view thereof;

FIG. 3 shows a left side elevation view thereof;

FIG. 4 shows a bottom plan thereof;

FIG. 5 shows a right side elevation view thereof;

FIG. 6 shows an end elevation view thereof; and,

FIG. 7 shows an opposite end elevation view thereof.

The ornamental design for an actuator, as shown and described. 